| APA | Standard and Poor's Depositary Receipts (SPDRs). (2012, February 14). In Acronym Geek. Retrieved 01:59, February 14, 2012, from http://www.acronymgeek.com/SPDRs/Standard_and_Poor%27s_Depositary_Receipts |
| MLA | "Standard and Poor's Depositary Receipts (SPDRs)." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SPDRs/Standard_and_Poor%27s_Depositary_Receipts>. |
| MHRA | 'Standard and Poor's Depositary Receipts (SPDRs)', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SPDRs/Standard_and_Poor%27s_Depositary_Receipts> [accessed 14 February 2012] |
| Chicago | "Standard and Poor's Depositary Receipts (SPDRs)", http://www.acronymgeek.com/SPDRs/Standard_and_Poor%27s_Depositary_Receipts (accessed February 14, 2012). |
| CBE/CSE | Standard and Poor's Depositary Receipts (SPDRs) [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SPDRs/Standard_and_Poor%27s_Depositary_Receipts. |
| Bluebook | Standard and Poor's Depositary Receipts (SPDRs), http://www.acronymgeek.com/SPDRs/Standard_and_Poor%27s_Depositary_Receipts (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, Standard and Poor's Depositary Receipts (SPDRs), http://www.acronymgeek.com/SPDRs/Standard_and_Poor%27s_Depositary_Receipts (optional description here) (as of Feb. 14, 2012, 01:59). |
| AMA | Standard and Poor's Depositary Receipts (SPDRs). Acronym Geek. February 14, 2012, 01:59. Available at: http://www.acronymgeek.com/SPDRs/Standard_and_Poor%27s_Depositary_Receipts. Accessed February 14, 2012, 01:59. |